Table 4.

Adjusted^a odds ratio of blindness from POAG by clinical variable and race

Clinical variable	Odds of blindness by variable
	OR (95% CI)
	Black	White
Visual function metrics at presentation
IOP in the right eye (mmHg)	1.04 (0.98–1.10)	0.89 (0.78–1.00)
IOP in the left eye (mmHg)	1.03 (0.97–1.08)	0.95 (0.81–1.10)
Glaucoma treatment history at presentation
No of glaucoma medications	2.1 (1.4–3.2)*	2.9 (1.5–5.9)*
History of prior glaucoma surgeries (versus no prior surgery)	3.2 (1.1–9.5)*	9.3 (1.6–52.6)*
Treatment course over follow-up period
No of glaucoma medications added	2.0 (0.3–12.0)	0.10 (0.01–1.00)
No of glaucoma surgeries at Duke
Total surgeries	1.6 (1.1–2.2)*	1.5 (0.7–3.2)
Trabeculectomies	2.1 (1.2–3.8)*	1.4 (0.5–4.2)
Tube surgeries	2.1 (1.2–3.7)*	2.0 (0.7–5.6)
Revisions	1.1 (0.6–2.1)	0.7 (0.2–3.7)
Transscleral diode or ECPC	7.7 (0.9–64.0)

Notes: Blank cell represents data that could not be fit to the logistic regression model.

^aMultivariable logistic regression adjusting for age and sex.

^*p<0.05.

Abbreviations: POAG, primary open-angle glaucoma; OR, odds ratio; IOP, intraocular pressure; ECPC, endocyclophotocoagulation.